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7. CIRCUIT DIAGRAM
1
2
A
+1.8V_DVB_RF
R700
R701
200K
390K
DIB_DCDC_EN
EN
SNS
4
3
FB
SW
5
2
L700
4.7uH
PGND
VIN
6
1
MIC23031-AYMT
U700
C702
4.7u
B
6
1
DIB_LDO_EN
_CE_OR_CE
VDD
5
2
GND
NC1
4
3
NC2
VOUT
C707
R1131D181D
U703
1u
C
D
E
C709
CN701
SW700
MS-156NB
1
G2
ANT
RF
G1
L704
C712
15nH
1.5p
L708
L707
NA
F
G
INT_SELECT1
INT_SELECT0
Host Interface Type
0
0
SRAM like
0
1
SPI or SD (1 and 4 bits)
H
1
0
I2C Control
1
1
1
2
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3
4
5
+1.0V_DVB_CORE
0.9857V
+1.8V_DVB_PLL
+VPWR
R706
R707
+1.8V_DVB_RF
200K
121K
DIB_PWR_EN
EN
SNS
4
3
FB
SW
5
2
L702 4.7uH
PGND
VIN
L701
6
1
33nH
MIC23031-AYMT
U702
+VPWR
C705
4.7u
R712
DNI
C708
C730
2.2u
2.2u
H1
LNA1_P
J1
LNA1_N
FL700
0.7p
SAEEB897MCA0B00
L703
5
U704
K1
L705
10nH
GND
LNA2_P
1
4
1
4
22nH
IN
OUT
P1
1
10nH
C710
C1
C2
C713
0.8p
2 P2
2 3
2.2p
L706
2
3
L1
LNA2_N
TCM12B51-900-2P
22nH
L710
22nH
N4
LNA3_P
L711
L712
15nH
15nH
N5
LNA3_N
N2
SWANT
M2
SW1
+1.8V_DVB_RF
M1
SW2
N3
SW3
L3
SW4
L713
N6
VDDRF1
33nH
L714
C1
VDDLO
33nH
N7
VDDMIX
N8
C721
C722
VDDBB
0.1u
0.1u
R717
56K
1%
B2
BIASRES
R718
22K
F1
LF_P
C726
C727
180p
22p
G1
LF_N
3
4
5
6
7
8
MOTOR_EN
B
PWM_MAG
IN
E
+1.0V_DIB_MAC
R721
+1.0V_DIB_CORE
+VPWR
0
C703
2.2u
+1.0V_DIB_CORE
+1.0V_DIB_MAC
TCC_2.6V_MISC
N11
VDD_CORE_DEMOD
+1.8V_DVB_PLL
N10
VDD_CORE_MAC
A11
VDD_CORE_HOST
A2
VBG
A5
VDD_18_CORE
B1
PLL_VCC
N9
VDD_BANK_0
A6
CLK_CFG
A3
RESERVED1
C7
RESERVED2
N12
GPIO3
M13
GPIO4
R715
TCC_2.6V_MISC
0
A12
VDD_BANK_1
U705
R716
10K
C720
L10
DIB9080H
0.1u
RESETN
DIB_RESET_N
L9
INT_SELECT0
L8
INT_SELECT1
B12
GPIO1
TP700
F13
GPIO2
L13
HOST_BUS0
DIB_OE_N
L11
HOST_BUS1
DIB_CS_N
K13
DIB_WE_N
HOST_BUS2
K11
DIB_ADDR[1]
HOST_BUS3
J13
DIB_ADDR[2]
HOST_BUS4
J11
HOST_BUS5
DIB_DATA[0]
H13
HOST_BUS6
DIB_DATA[1]
H11
HOST_VUS7
DIB_DATA[2]
G13
HOST_BUS8
DIB_DATA[3]
G11
HOST_BUS9
DIB_DATA[4]
E13
HOST_BUS10
DIB_DATA[5]
E11
HOST_BUS11
DIB_DATA[6]
D13
HOST_BUS12
DIB_DATA[7]
D11
HOST_BUS13
DIB_RDY
C13
HOST_BUS14
DIB_IRQ
C11
RFU
E1
CRYSTAL_N
R719
D1
CRYSTAL_P
1M
X700
30MHz
4
3
1
2
FA-238_30MHz
6
7
8
- 163 -
9
10
11
VREG_VIB_3.0V
C700
0.01u
R702
120K
U701
TPA6205A1ZQVR
R704
51K
C3
A3
IN-
VDD
C
OUT
R705
51K
C2
B3
IN+
VO+
B1
A1
_SHUTDOWN
VO-
GND
C1
B2
BYPASS
GND
EUSY0349001
R710
120K
C706
0.01u
DC MOTOR DRIVER ( AUDIO AMP )
9
10
11
12
A
CN700
1
2
B
C
D
E
F
12
LGE Internal Use Only
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Troubleshooting
